Oil pumping device



FIG. 1 is a perspective view of an oil pumping device showing my design;

FIG. 2 is a front side view therefore;

FIG. 3 is a rear side view therefore;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The ornamental design for an oil pumping device, as shown and asdescribed.